Home / 27,542,596.86-38,008,682.19-15,319,453.86

Finding the Fourth Proportional to 27,542,596.86, 38,008,682.19 and 15,319,453.86

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Solution

The fourth proportional to 27,542,596.86, 38,008,682.19 and 15,319,453.86 is: 21,140,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,542,596.86 : 38,008,682.19 = 15,319,453.86 : x
  2. Step 2: Convert to fraction form
    27,542,596.86/38,008,682.19 = 15,319,453.86/x
  3. Step 3: Cross multiply
    27,542,596.86x = 38,008,682.19 × 15,319,453.86
  4. Step 4: Simplify right side
    27,542,596.86x = 582,272,253,089,108.75
  5. Step 5: Solve for x
    x = 582,272,253,089,108.75/27,542,596.86
  6. Step 6: Final answer
    x = 21,140,789.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.